"""Plan und Planungsmodus je Chat

Revision ID: 0018
Revises: 0017
Erstellt: 2026-10-22 14:31:48.281283
"""

import sqlalchemy as sa
from alembic import op


revision = '0018'
down_revision = '0017'
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column('chat_sessions', sa.Column('plan', sa.JSON(), server_default='[]', nullable=False))
    op.add_column('chat_sessions', sa.Column('plan_mode', sa.Boolean(), server_default=sa.text('false'), nullable=False))


def downgrade() -> None:
    op.drop_column('chat_sessions', 'plan_mode')
    op.drop_column('chat_sessions', 'plan')